Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of 10000 3000 1000 5000 10000 3000 1000 5000 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is Elongation Bending Deformation Shear Elongation Bending Deformation Shear ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 12.5 5.5 30.5 45.5 12.5 5.5 30.5 45.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing. 25-50 750-1000 50-75 200-250 25-50 750-1000 50-75 200-250 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method All of these Accounts for the enthalpy changes in the process Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method Is more accurate in finding the number of equilibrium stages All of these Accounts for the enthalpy changes in the process Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method Is more accurate in finding the number of equilibrium stages ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. CO₂ SO₂ NH₃ None of these CO₂ SO₂ NH₃ None of these ANSWER DOWNLOAD EXAMIANS APP
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